Do you remember the first time around? Tutankhamun and his hoard came to the Metropolitan Museum of Art in 1978 and forever changed the way museums did business, not necessarily for the better. There had been major special exhibitions before, but the frenzy over Tut was something extraordinary. Sold-out tickets, long lines, overcrowded galleries - if the objects on display had been any less luminous, any less golden, than they were, they would have been invisible. For the Met, Tutankhamun meant new demographics, new revenues and, in some sense, a new idea of itself. Suddenly it seemed possible to capture...